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Old 11-27-2011, 12:52 AM   #1
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Drive-train vibration

Around 65mph I start getting a vibration from the drive-train and feels like it's up front. It isn't releated to RPM or the gear, only speed. I have the D30 up front and D44 in the rear. I had both front and rear drive-shafts rebuilt so I'm wondering if the pinion bearings are going bad. If they are how can i check? Does anyone know how much a shop normally charges to change these?

Anyone know of any shops around the Columbus, OH area to do it? I've searched online but not getting any specific information about it.

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Old 11-27-2011, 07:35 AM   #2
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Is you jeep lifted ?

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Old 11-27-2011, 07:42 AM   #3
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Quote:
Originally Posted by sjpatg View Post
Is you jeep lifted ?
No it's completly stock.
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Old 11-27-2011, 07:57 AM   #4
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I would remove the front shaft and drive the jeep to see if it is the front shaft . I had a similar issue with my front shaft it turned out to have a bent tube
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Old 11-27-2011, 07:57 AM   #5
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If you have enough miles on your Jeep to need the driveshafts rebuilt, I would suspect that your problem is more likely a front axle u-joint or unit bearing needs replaced. They are much more common to go out than a pinion bearing. Many consider them to be wear parts, depending on how you use your Jeep. They are easy to check, and much easier to replace.
If you do end up needing axle bearing work, the only place I have dealt with is Bobs Transmission in St. Clairsville OH. They are very good, and highly recommended around here, I'm guessing it would be around an hour and a half trip for you.
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Old 11-27-2011, 10:56 AM   #6
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What makes you think it's not caused by a bad or out of balance tire?

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